Home / 3,163.90-4,740.16-1,864.66

Finding the Fourth Proportional to 3,163.90, 4,740.16 and 1,864.66

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Solution

The fourth proportional to 3,163.90, 4,740.16 and 1,864.66 is: 2,793.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.90 : 4,740.16 = 1,864.66 : x
  2. Step 2: Convert to fraction form
    3,163.90/4,740.16 = 1,864.66/x
  3. Step 3: Cross multiply
    3,163.90x = 4,740.16 × 1,864.66
  4. Step 4: Simplify right side
    3,163.90x = 8,838,786.75
  5. Step 5: Solve for x
    x = 8,838,786.75/3,163.90
  6. Step 6: Final answer
    x = 2,793.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.